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tensor.news grades benchmarks and tags model claims by evidence status. Every fact carries a source record and provenance. Scores are framed as task performance under a disclosed harness, never as deployed capability.

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Claude Opus 4.6 vs Claude Opus 4.7

Verdict

Claude Opus 4.7 leads 12–5 across 17 shared benchmarks.

Claude Opus 4.6 5 · Claude Opus 4.7 12 · higher isn't always better — see caveats.

Per-benchmark head-to-head

Claude Opus 4.6Claude Opus 4.7
  • 31.7
    APEX-Agents
    33.9
  • 94
    ARC-AGI
    93.5
  • 69.17
    ARC-AGI-2
    75.8
  • 17
    Chess Puzzles
    30
  • 26.83
    FrontierMath-Tier-4-v2-Private
    31.71
  • 65.96
    FrontierMath-Tiers-1-3-v2-Private
    70.18
  • 44.12
    GBAEval
    43.81
  • 87.37
    GPQA diamond
    86.87
  • 41.2
    GSO-Bench
    44.12
  • 31.13
    HLE
    32.98
  • 94.44
    OTIS Mock AIME 2024-2025
    97.8
  • 24.82
    PostTrainBench
    28.56
  • 61.12
    SimpleBench
    55.48
  • 46.49
    SimpleQA Verified
    50.6
  • 78.72
    SWE-Bench verified
    83.47
  • 79.8
    Terminal Bench
    90.2
  • 77.95
    WeirdML
    76.4
A higher number is not always a better model. Each score is task performance under a disclosed harness, and some of these benchmarks are saturated or scored under mixed harnesses. Follow any benchmark to its integrity grade before reading a win as decisive.

Follow the record

These models

  • Claude Opus 4.694.44
  • Claude Opus 4.797.8